Karin’s transformation from stay at home mum to Probationary Constable is almost complete. She’s about to hit the beat for the first time. With college behind them, they’re all about to discover how difficult it can be putting theory into practice. In Sydney’s eastern suburbs, a mysterious house packed with home made bombs proves a nightmare for Karin and the team. In Mt Druitt, Karin’s classmate Tony, speeds toward a violent domestic where a man has been stabbed. Emotions run high as Tony and his partner head into the danger zone. At Police College, downtown Rossiville is in the midst of a ‘crime wave’. Builder Mitch is called to deal with every policeman’s weekend nightmare… a brawl at the local pub. Kyle searches for drugs in a suspicious car and law graduate Alix doesn’t know it yet but a bomb is about to go off at Rossiville train station. For one unlucky student the dream of policing is suddenly over.